Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 8000…, GV 8300…, GV 8400…
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 8000…, GV 8300…, GV 8400…
23
GRUNDIG Service
24
GRUNDIG Service
70
72
71
73
74
75
76
16
18
15
20
19
38
36
MONO only
1SC
2SC
3028
5k6
3k3
CTL2
CTL1
CTL2
CTL1
AINFR
AINFR
AINFL
AINFL
AOUT1L
AOUT1R
CSYNC
CSYNC
CSP
CSP
AF1
AF1
VREC
VREC
AMLP
AMLP
ISWS
ISWS
IREV
IREV
IREV
FMPV
FMPV
VOUT
VMOD
AOUT2L
AOUT2R
VBS
VBS
VFR
CKDET
CKDET
8SC2
VSB
VSB
FMRV
FMRV
2FSC
2FSC
AIN2
VFV
VFV
VFV
FFP
FFP
CROT
CROT
CSCP
CSCP
MTA
MTA
AIN1
AMLR
AMLR
AIN2R
AIN2L
AIN1R
AIN1L
SCL2
SCL2
SDA2
SDA2
SCL
SDA
8SC1
0,1V
0V
0,5V
0,3V
10,4V
0,3V
10,5V
12V
4,3V
0V
12V
12V
9,8V
0,7V
3V
0V
0V
-17V
-22V
-22V
0,7V
-22V
6,3V
7V
7V
7V
BIAS
PB-Level
1,9V
0V
0,9V
2,4V
9.5V
1,5V
2,2V
2,5V
2,5V
2,6V
5,14V
2V
0V
1,9V
0V
2V
2,9V
3,9V
3V
3,9V
3,3V
5,1V
2,1V
4,2V
2,7V
1,5V
3V
1,4V
2,1V
0V
5V
3V
1,5V
2,1V
3V
3V
1,8V
0,5V
5,1V
2,3V
0,2V
0,4V
3,1V
1,8V
0,1V
4,1V
1,8V
2,3V
2V
2,5V
2,2V
0V
3,1V
1,8V
2,4V
0,3V
2,4V
0,2V
2,7V
0V
1,6V
2,6V
4,8V
1,9V
2,6V
1,5V
4,5V
3,4V
3V
0V
1,6V
2,3V
3,3V
3,3V
3,3V
3,3V
3,6V
7V
0,2V
3,4V
3,4V
0V
0V
3,5V
3,4V
7V
3,4V
3,4V
0V
3,4V
3,4V
3,4V
1V
0V
AGC
AGC
AGC
0V
0V
3,3V
2,1V
0V
0,6V
1,8V
only for 2/X + PAL
for mstd 220E
for 2/0 6k8
AGC
BIAS2
BIAS1
GNDAL
IC
HEAD
AF
(Deemphasis)
(Phase-Shift)
(Buffer)
(Buffer)
(SWITCH)
(SWITCH)
not used
osd include
AF
RIGHT
LEFT
CINCH
CINCH
for stereo only
not used
not used
AGC
1
2
3
for Cinch-IN front only
SOCKET BOARD
ACG4.1 / QBOE1 / QBOG1
PS
CTL1
CTL2
AEH1
AEH2
APH
ARH
MEH1
MEH2
TD1
TD2
VS_S,DE,HA
OS
FV
FM
DE/DC
680E for stereo
3160 for mono
not used
not used
for 1 EURO-AV only
for 4/2 only
not used
10u for stereo
for cinchout rear only
VS_S,VPS/PDC
LP only
not used
(DELAY-Line)
(Buffer)
(VIDEO & LIN. Audioprocessor)
(Erase-Oscillator)
(Erase-Oscillator-SWITCH)
(LIN.Audio PB SWITCH)
AF,FV
for Stereo
only
for 2 EURO-AV or stereo only
0V
Pal-Current
for mstd,mstds,
secdk,secdks,secdkns;
for 2/0 12p
for 2/0LP 12p
4
5
6
7
1
8
9
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
3
M
L
K
P
J
I
H
G
F
E
D
C
B
A
O
N
4
5
6
7
1
8
9
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
3
12VA
12SW
12SW
12SW
5VASW
5VASW
12VA
5VASW
5VASW
5VA
-28V
5VASW
5VASW
5VASW
5VASW
5VASW
12SW
BZX79-B7V5
6601
BZX79-C12
6135
5130
5605
3017
1k8
3006
12k
3046
1k
3027
27k
3021
1k
3600
22k
3002
680E
3004
680E
3003
680E
3022
1k
3025
47k
3023
220k
3033
18k
3030
2k2
3031
2k2
3050
100E
3052
100E
3528
47k
3018
470E
3048
47k
3604
22k
3656
6k8
3606
47E
3005
8k2
3045
270E
3008
470E
3615
100E
3608
12k
3015
1k
3020
220k
3610
2k2
3603
100E
1%
3014
4k7
3607
390k
3011
2k2
3035
2k2
3032
2k2
3012
2k2
1%
3055
680E
1%
3054
2k2
3009
4k7
1%
3013
1k3
3560
0E
3028
3019
5k6
3609
8k2
3605
2k2
3612
2k2
3601
10k
3000
1k
3001
1k
3010
1k
3037
not used
3016
8k2
3026
47k
3029
2M2
3034
15k
3519
8k2
3611
100E
3602
4k7
3047
4k7
3657
390E
3655
680E
3638
10E
3619
1E5
3620
47k
3625
33E
3624
3k3
3623
10k
3622
3M3
3024
8k2
3036
470E
3626
220k
3627
56k
3u3
5604
5%
100u
5026
5%
56u
5036
5%
15u
5020
5%
47u
5004
5%
150u
5005
10u
5000
10%
10u
5001
10%
10u
5002
5%
22u
5831
10m
5601
330u
5602
25V
100n
2003
50V
220p
2026
50V
22p
2038
25V
100n
2024
50V
22p
2018
25V
100n
2013
50V
10n
2011
50V
10n
2023
50V
15p
2831
21V
SIOV-CN0805M4CCG
470p
2137
21V
SIOV-CN0805M4CCG
470p
2138
50V
82p
2036
50V
10n
2066
50V
27p
2064
2%
50V
220p
2037
25V
100n
2520
25V
100n
2650
25V
100n
2647
470n 16V
2646
50V
10n
2603
50V
2n2
2601
50V
1n
2605
25V
100n
2001
50V
10n
2055
2%
63V
390p
2006
50V
10n
2002
50V
10n
2004
25V
100n
2009
25V
100n
2521
25V
100n
2016
50V
10n
2030
25V
100n
2031
50V
10n
2027
50V
10n
2028
50V
10n
2029
50V
10n
2034
50V
10n
2035
25V
100n
2033
25V
100n
2045
50V
47n
2042
50V
22n
2040
50V
39p
2007
50V
22p
2008
25V
100n
2519
25V
100n
2606
50V
22p
2607
50V
10n
2608
25V
100n
2015
25V
100n
2022
50V
1n
2621
50V
330p
2618
63V
820p
2600
50V
15n
2657
50V 39n
2656
50V
10n
2047
50V
10n
2051
50V
1n
2046
BC847B
7011
BC846B
7602
BFS19
7000
BC846B
7601
BC847B
7002
BC847B
7006
BFS19
7004
BC847B
7603
AOUT2L
AOUT2R
12VA
VFV
VBS
SCL2
SDA2
5VASW
MTA
AF1
CSP
HA
VS_S
HA
2FSC
CKDET
SDA
SCL
FMRV
VMOD
CROT
FFP
12SW
CTL1
CTL2
8SC1
FMPV
5VA
CSCP
VSB
VOUT
VREC
VFV
CSYNC
AMLP
-28V
AIN1L
AIN1R
AIN2L
AIN2R
AOUT1L
AOUT1R
AMLR
AINFL
AINFR
ISWS
8SC2
IREV
BC857B
7008
BC857B
7005
BC856B
7600
BC857B
7021
GNDAL
GNDAL
GNDAIO
GNDSUB
GNDVSIO
GNDAIO
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDAL
GNDEO
GNDAL
GNDAL
GNDAL
GNDAL
GNDEO
GNDEO
GNDEO
GNDAL
GNDEO
GNDEO
GNDAL
3134
220E
3135
220E
MMUN2112LT1
7009
MMUN2112LT1
7001
1909
1
2
1962
1
2
9013
9154
9073
9034
1710
1
2
3
1750
1
2
3
1711
1
2
3
4
5
6
100n
2528
25V
BC817-40
7609
50V
ECQBF
27n
2622
50V
ECQBF
47n
2620
16V
47u
2619
16V
47u
2617
7604
BC328-40
10k
3007
10k
3160
100k
3618
5603
1
2
3
4
6
LA71525M
7007
10
11
13
14
15
17
18
1
20
23
25
26
28
29
58
30
31
32
33
34
35
37
38
39
3
40
42
43
45
46
48
49
4
50
51
52
54
55
56
5
61
63
64
6
71
72
73
74
75
77
78
79
7
8
9
62
2
80
76
12
53
67
57
66
47
24
70
69
68
22
60
65
44
19
59
21
41
16
27
36
P
REC
MUTE
P
R
C-GND
AMP
EQ
R
PB-
VXO1
VREF
LP,SP
AMP
ACC
DET
APC
PB
BGA-B
CONV
MAIN
CONV
SUB
DET
APC
REC
BPF
SUB
PB
DET
AFC
BAL
TC1
NC-CTL
PAL-PULSE
CSCP_IN
IN
C-ROT
PQ1
2
COMB
P
BPF2
P
AMP
REC
TH
BPF1
LPF
AMP
P
R
C-LPF
R
R
KIL
VCO
P
P
MOD
INV
DE-EM
DECODER
DHP
N.L.
MIX
Y C
CTL
PIC
NC
AGC
PM
FM
PB-EQ
EMPH
MAIN
SERIAL
SLD
CNC
SQ
1/2
FBC
C-VCC
EMPH
N.L.
REC
EQ
P
R
CTL
MUTE
HIGH
B.D.
KIL
NPP
BPF
OUT
REC
DET
ALC
ALC
DETAIL
EMPH
R
P
DOUBLE
LIMIT
DEMOD
PQ2
R
A-VCC
A-GND
PEAKING
NTSC
LPF
R
P
P
P
R
YNR
QV/QH
SEPA
SYNC
LPF
SUB
INS
DET
AGC
VCC2
VIDEO
AMP
MAIN
EMPH
VIDEO
CLP
AGC
CLP
R
P
Y-VCC
Y-GND
LINE
AMP
OUT
ACK
DET
KIL
IN3
IN1
BGP
R,A
VREF
DET
ACC
RL
B
HD
SW
2FSC/
PB-H
BGA-A
OUT
BGA
REC
PB
R
P
REC
REG
A-GND
REC-LP,EP
PB-EP
REC
16V
10u
2652
16V
47u
2049
16V
47u
2651
16V
22u
2648
16V
10u
2602
50V
1u
2044
16V
22u
2005
6,3V
220u
2010
25V
4u7
2012
50V
0u47
2014
16V
10u
2017
16V
10u
2019
16V
10u
2021
50V
1u
2054
16V
47u
2025
16V
47u
2032
50V
1u
2039
50V
1u
2041
50V
1u
2043
16V
10u
2020
6,3V
100u
2604
50V
1u
2059
1912
9381B
1
2
1911
9381C
1
2
4,433619MHz
1000
LC89980M
7003
10
11
12
13
14
1
2
3
4
5
6
7
8
9
GENERATOR
GEN
TIMING
OUTPUT AMP
AND HOLD
SAMPLE
OUTPUT AMP
AND HOLD
CLOCK
SAMPLE
AUTO BIAS
CIRCUIT 1
DL
DL
CLOCK
CLOCK
CENTER
BIAS
CIRCUIT 2
AUTO BIAS
SHAPER
WAVE
SYNC TIP
CLAMP
CENTER
DL
PHASE
COMP
DRIVER
CLOCK
BIAS
DL
1/3
VCO
CIRCUIT
SWITCHING
CLOCK
VOLT
RD
NT
VCC
NC
CLK
GND
1961
1
2
3
4
5
6
7
39
14
60
2p7
2048
40
Chrominance
Luminance
Standard Sound
Record
Standard Sound
Playback
Chrominance
Luminance
Chassisplatte / Chassis Board – Video/Chroma (VS), Standardton / Standard Sound (AL)
Reference
Oscillograms ....4-38
ACG4.1...............29
AF..............27,
4-29
AL ..............23,
4-25
DC ...................4-35
DE .............28,
4-33
FV..............26,
4-21
FM ...................4-24
HA .............27,
4-30
IO...............25,
4-27
OS ...................4-24
PS..............28,
4-31
QMB ...................17
QNIC ...............4-36
VP....................4-24
VS..............23,
4-25
VS-S ..........28,
4-28
Seiten "4-…" – siehe Basis-Service-Manual
Pages "4-…" – see Main Service Manual